Home / 192,923.10-266,229-105,707.61

Finding the Fourth Proportional to 192,923.10, 266,229 and 105,707.61

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Solution

The fourth proportional to 192,923.10, 266,229 and 105,707.61 is: 145,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,923.10 : 266,229 = 105,707.61 : x
  2. Step 2: Convert to fraction form
    192,923.10/266,229 = 105,707.61/x
  3. Step 3: Cross multiply
    192,923.10x = 266,229 × 105,707.61
  4. Step 4: Simplify right side
    192,923.10x = 28,142,431,302.69
  5. Step 5: Solve for x
    x = 28,142,431,302.69/192,923.10
  6. Step 6: Final answer
    x = 145,873.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.